/* ============================================
   MNT CONTRACTORS - RESPONSIVE CSS STYLESHEET
   Modern, Professional, SEO-Optimized Design
   ============================================ */

/* CSS VARIABLES */
:root {
    /* Color Palette */
    --primary: #002039;
    --primary-light: #003d5c;
    --primary-dark: #001020;
    --accent: #FBAE17;
    --accent-light: #ffc247;
    --accent-dark: #e09800;
    --success: #27ae60;
    --warning: #f39c12;
    --dark-bg: #0f1419;
    --dark-surface: #1a1f2e;
    --light-bg: #f8f9fa;
    --light-surface: #ffffff;
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --text-muted: #666666;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-display: 'Playfair Display', serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 42px;
    --font-size-5xl: 56px;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;

    /* Borders */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* DARK MODE VARIABLES */
body.dark-mode {
    --bg-primary: var(--dark-bg);
    --bg-secondary: var(--dark-surface);
    --text-primary: var(--text-light);
    --text-secondary: #b0b0b0;
    --border-color: #333333;
}

body.light-mode {
    --bg-primary: var(--light-bg);
    --bg-secondary: var(--light-surface);
    --text-primary: var(--text-dark);
    --text-secondary: var(--text-muted);
    --border-color: var(--border-color);
}

/* GLOBAL STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
}

/* Default to light mode */
body {
    --bg-primary: var(--light-bg);
    --bg-secondary: var(--light-surface);
    --text-primary: var(--text-dark);
    --text-secondary: var(--text-muted);
}

/* ACCESSIBILITY */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: var(--z-fixed);
}

.skip-link:focus {
    top: 0;
}

/* CONTAINER */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* HEADINGS */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

/* LINKS */
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent);
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: white;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* ICONS */
.icon {
    width: 24px;
    height: 24px;
    display: inline-block;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.header-top {
    background-color: var(--primary);
    color: white;
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-sm);
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.contact-info,
.social-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.info-item a {
    color: white;
    font-weight: 500;
}

.info-item a:hover {
    opacity: 0.8;
}

.social-links a {
    color: white;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.social-links a:hover {
    transform: translateY(-3px);
}

/* NAVBAR */
.navbar {
    padding: var(--spacing-md) 0;
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    line-height: 1;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 8px;
    background-color: var(--primary);
    border: 2px solid var(--primary-dark);
    transition: var(--transition-fast);
}

.logo-link:hover {
    background-color: var(--primary-light);
    border-color: var(--primary);
    transform: scale(1.03);
}

.logo-img {
    height: 50px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
    display: block;
    transition: var(--transition-fast);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
}

.logo-text {
    font-size: 24px;
    font-family: var(--font-display);
    color: var(--primary);
}

.logo-subtext {
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
}

/* NAVIGATION MENU */
.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--accent);
}

/* MOBILE MENU TOGGLE */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    gap: 6px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* THEME TOGGLE */
.theme-toggle {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--primary);
    color: white;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    height: auto;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    overflow: visible;
    color: white;
    padding: 100px 0 60px 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('portfolio/flat ceiling 3.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(0, 32, 57, 0.75) 0%, rgba(0, 61, 92, 0.65) 50%, rgba(0, 16, 32, 0.8) 100%),
        radial-gradient(circle at 20% 50%, rgba(251, 174, 23, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(251, 174, 23, 0.08) 0%, transparent 50%);
    z-index: 1;
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
    display: none;
}

.shape {
    position: absolute;
    opacity: 0.1;
    border-radius: 50%;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: rgba(251, 174, 23, 0.8);
    top: -100px;
    right: -50px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: rgba(251, 174, 23, 0.6);
    bottom: -50px;
    left: -30px;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: rgba(251, 174, 23, 0.4);
    top: 50%;
    left: 50%;
    animation: float 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
    }
    50% {
        transform: translateY(50px) translateX(30px);
    }
}

.hero .container {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    justify-items: center;
}

.hero-spacer {
    height: 80px;
}

@media (max-width: 768px) {
    .hero-spacer {
        height: 60px;
    }
}

@media (max-width: 480px) {
    .hero-spacer {
        height: 40px;
    }
}

.hero-text {
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
    margin-top: 60px;
    max-width: 900px;
}

.hero-title-pre {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-title-main {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: var(--spacing-2xl);
    font-family: 'Playfair Display', serif;
}

.hero-title .highlight {
    color: var(--accent);
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent);
    opacity: 0.3;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
    color: rgba(255, 255, 255, 0.9);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
    justify-content: center;
}

.hero-cta .btn-lg {
    padding: 16px 32px;
    font-size: var(--font-size-md);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
}

.hero-cta .btn-primary {
    background-color: var(--accent);
    color: var(--primary);
    box-shadow: 0 10px 30px rgba(251, 174, 23, 0.3);
}

.hero-cta .btn-primary:hover {
    background-color: var(--accent-light);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(251, 174, 23, 0.4);
}

.hero-cta .btn-outline {
    border: 2px solid white;
    color: white;
    background-color: transparent;
    transition: var(--transition);
}

.hero-cta .btn-outline:hover {
    background-color: white;
    color: var(--primary);
    transform: translateY(-3px);
}

.btn-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.hero-trust {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    justify-items: center;
    text-align: center;
}

.trust-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-md);
    font-weight: 500;
}

.trust-icon {
    width: 24px;
    height: 24px;
    color: var(--accent);
    flex-shrink: 0;
}

.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
    margin-top: 40px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    color: var(--accent);
    font-family: 'Playfair Display', serif;
}

.stat-symbol {
    font-size: 2rem;
    margin-left: 4px;
}

.stat-label {
    font-size: var(--font-size-md);
    opacity: 0.9;
    font-weight: 500;
    line-height: 1.4;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
}

.scroll-dot {
    width: 12px;
    height: 12px;
    border: 2px solid white;
    border-radius: 50%;
    opacity: 0.7;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   TRUST SECTION
   ============================================ */

.trust-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--bg-secondary);
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
}

.badge {
    text-align: center;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.badge:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.badge-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-lg);
    color: var(--accent);
}

.badge p {
    margin: 0;
}

.badge strong {
    display: block;
    color: var(--primary);
}

/* ============================================
   WHY MNT CONTRACTORS SECTION
   ============================================ */

.why-section {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 32, 57, 0.03) 0%, rgba(251, 174, 23, 0.03) 100%);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.why-card {
    padding: var(--spacing-2xl);
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.why-card:hover {
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(251, 174, 23, 0.15);
    transform: translateY(-8px);
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    opacity: 0;
    transition: var(--transition);
}

.why-card:hover::before {
    opacity: 1;
}

.why-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: white;
    transition: var(--transition);
}

.why-card:hover .why-icon {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    transform: scale(1.1) rotate(-5deg);
}

.why-icon svg {
    width: 32px;
    height: 32px;
}

.why-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.why-card p {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.why-cta {
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: var(--accent);
    border-radius: var(--border-radius-lg);
    color: var(--primary);
}

.why-cta p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    color: var(--primary);
}

.why-cta .btn {
    background-color: var(--primary);
    color: white;
}

.why-cta .btn:hover {
    background-color: var(--primary-light);
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background-color: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.service-card {
    background-color: var(--bg-secondary);
    padding: 0;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    border-color: var(--accent);
}

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: var(--primary);
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: var(--spacing-lg) var(--spacing-lg) 0 var(--spacing-lg);
    flex-shrink: 0;
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

.service-card h3 {
    color: var(--primary);
    margin: var(--spacing-md) var(--spacing-lg) 0 var(--spacing-lg);
    margin-top: 0;
}

.service-card p {
    color: var(--text-secondary);
    flex-grow: 1;
    margin: var(--spacing-md) var(--spacing-lg);
}

.service-link {
    color: var(--accent);
    font-weight: 600;
    display: inline-block;
    transition: var(--transition-fast);
    margin: 0 var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
}

.service-link:hover {
    margin-left: calc(var(--spacing-lg) + 5px);
}

.cta-section {
    text-align: center;
    padding: var(--spacing-3xl);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--border-radius-xl);
    color: white;
}

.cta-section p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   PROCESS SECTION
   ============================================ */

.process {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background-color: var(--bg-secondary);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    position: relative;
}

.process-step {
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.process-step:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

.step-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.step-icon svg {
    width: 40px;
    height: 40px;
}

.process-step h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.process-arrow {
    display: none;
}

@media (min-width: 1024px) {
    .process-timeline {
        grid-template-columns: repeat(4, 1fr);
    }

    .process-arrow {
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent);
        font-size: 24px;
        position: absolute;
        width: 50px;
        height: 100%;
    }
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */

.portfolio {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background-color: var(--bg-primary);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--border-color);
    background-color: transparent;
    color: var(--text-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
    font-family: var(--font-primary);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.portfolio-item {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 58, 82, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.view-project {
    background-color: var(--accent);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition-fast);
}

.view-project:hover {
    background-color: var(--accent-dark);
}

.portfolio-item figcaption {
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
}

.portfolio-item h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.portfolio-item p {
    color: var(--text-secondary);
    margin: 0;
    font-size: var(--font-size-sm);
}

.portfolio-cta {
    text-align: center;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */

.testimonials {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background-color: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.testimonial-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--accent);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.stars {
    color: var(--warning);
    font-size: 18px;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
    line-height: 1.8;
}

.testimonial-author strong {
    display: block;
    color: var(--primary);
    font-weight: 700;
}

.testimonial-author span {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================
   CTA FINAL SECTION
   ============================================ */

.cta-final {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: var(--spacing-lg);
}

.cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn-primary {
    background-color: var(--accent);
    border: 2px solid var(--accent);
}

.cta-buttons .btn-primary:hover {
    background-color: var(--accent-dark);
    border-color: var(--accent-dark);
}

.cta-buttons .btn-secondary {
    border-color: white;
    color: white;
}

.cta-buttons .btn-secondary:hover {
    background-color: white;
    color: var(--primary);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--primary);
    color: white;
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-section h3,
.footer-section h4 {
    color: white;
}

.footer-section p {
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-md);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--accent-light);
}

.footer-social {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: var(--font-size-sm);
}

.footer-bottom p {
    margin-bottom: var(--spacing-md);
}

/* ============================================
   FLOATING CTA BUTTON
   ============================================ */

.floating-cta {
    position: fixed;
    bottom: var(--spacing-2xl);
    right: var(--spacing-2xl);
    z-index: var(--z-fixed);
}

.fab-button {
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-fast);
    animation: pulse 2s infinite;
}

.fab-button:hover {
    transform: scale(1.1);
    animation: none;
}

.fab-button svg {
    width: 32px;
    height: 32px;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    /* Footer: keep two columns on tablets */
    .footer-content {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 42px;
        --font-size-4xl: 32px;
        --font-size-3xl: 24px;
        --spacing-4xl: 3rem;
        --spacing-3xl: 2rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    /* Header Adjustments */
    .header-top-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .contact-info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    /* Navigation */
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-secondary);
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-menu.active {
        max-height: 500px;
    }

    .nav-link::after {
        display: none;
    }

    .nav-link.active {
        color: var(--accent);
    }

    /* Hero */
    .hero {
        padding: var(--spacing-3xl) var(--spacing-lg);
    }

    /* Hero */
    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-title-main {
        font-size: clamp(2rem, 5vw, 3.5rem);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-trust {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .stat-card {
        padding: var(--spacing-lg);
    }

    /* Why Section */
    .why-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .why-card {
        padding: var(--spacing-lg);
    }

    .why-card h3 {
        font-size: var(--font-size-md);
    }

    .why-cta p {
        font-size: var(--font-size-md);
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    /* Floating Button */
    .floating-cta {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
    }

    .fab-button {
        width: 50px;
        height: 50px;
    }

    .fab-button svg {
        width: 28px;
        height: 28px;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-5xl: 32px;
        --font-size-4xl: 24px;
        --font-size-3xl: 20px;
        --spacing-4xl: 2rem;
        --spacing-3xl: 1.5rem;
        --spacing-2xl: 1.5rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .logo-img {
        height: 35px;
        max-width: 120px;
    }

    .logo-link {
        padding: 5px 8px;
        border-radius: 5px;
    }

    h1 {
        font-size: var(--font-size-4xl);
    }

    h2 {
        font-size: var(--font-size-3xl);
    }

    /* Header */
    .header-top {
        font-size: 12px;
    }

    .header-top-content {
        gap: var(--spacing-sm);
    }

    .contact-info {
        width: 100%;
        gap: var(--spacing-sm);
    }

    .social-links {
        width: 100%;
        justify-content: flex-start;
    }

    /* Logo */
    .logo-text {
        font-size: 20px;
    }

    .logo-img {
        height: 40px;
    }

    .logo-link {
        padding: 6px 10px;
        border-radius: 6px;
    }

    .logo-subtext {
        font-size: 8px;
    }

    /* Navigation */
    .nav-menu {
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    /* Hero */
    .hero {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .hero-cta {
        gap: var(--spacing-md);
    }

    .hero-cta .btn {
        width: 100%;
        font-size: var(--font-size-sm);
    }

    .hero-stats {
        gap: var(--spacing-lg);
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-symbol {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: var(--font-size-sm);
    }

    /* Services */
    .service-card {
        padding: var(--spacing-lg);
    }

    /* Portfolio Filters */
    .portfolio-filters {
        gap: var(--spacing-sm);
    }

    .filter-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    /* CTA Buttons */
    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    /* Footer */
    .footer-bottom {
        font-size: 11px;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .header,
    .floating-cta,
    .nav-menu,
    .cta-final {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .btn {
        border: 1px solid black;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Apply animations */
.hero-content {
    animation: fadeInUp 0.8s ease;
}

.service-card {
    animation: fadeInUp 0.8s ease;
    animation-fill-mode: both;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }

/* ============================================
   DARK MODE SPECIFIC STYLES
   ============================================ */

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--text-light);
}

body.dark-mode .logo-link {
    color: white;
    background-color: var(--primary);
    border-color: var(--primary-light);
}

body.dark-mode .logo-link:hover {
    background-color: var(--primary-light);
    border-color: var(--accent);
    transform: scale(1.03);
}

body.dark-mode .nav-link {
    color: var(--text-light);
}

body.dark-mode .service-card,
body.dark-mode .badge,
body.dark-mode .process-step,
body.dark-mode .testimonial-card {
    background-color: var(--dark-surface);
}

body.dark-mode .footer {
    background-color: var(--dark-surface);
    border-top: 1px solid #333333;
}

body.dark-mode .hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

body.dark-mode .cta-final {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

body.dark-mode .cta-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}